/*
 * @Description:测试类
 * @Author: 平常心
 * @Date: 2024-09-23 14:57:02
 * @LastEditTime: 2024-09-23 15:06:50
 * @LastEditors: 平常心
 * @FilePath: \java\day20\Test.java
 * 至若春和景明
 */

public class Test {
    public static void main(String[] args) {
        // 接口引用指向实现类对象
        JDK21IAction a = new JDK21ACtionImpl();
        a.start();
        a.end();
    }
}
